html,body,div,ul,li,ol,h1,h2,h3,h4,h5,h6,span,input{
    margin:0;padding:0;
  }
  html,body{
      width: 100%;
  }
  body{font:12px/1.5em "宋体",arial; color:#3c3c3c;}
  h1,h2,h3,h4,h5,h6{font-size:100%;}
  img{border:0;display:block;}
  ul,ol{list-style:none;}
  a{text-decoration:none;color:#fff;}
  a:hover{text-decoration:underline;}
  .clearfix:after{content:"";display:block;height:0;visibility:hidden;clear:both;}
  .clearfix{zoom:1;}
  *{
      box-sizing: border-box;
  }